Mr. Wiggs joined the firm in 1978, after a brief engineering career in the real-time computerized control systems field. He has been a partner of the firm since 1982. His practice focuses on patent prosecution, primarily in relation to electrical, software, optics and mechanical technologies. Examples of recent patents he has prosecuted include:

Computer Software:

Multicast connection scheduling in time:space:time switching fabrics

Fast, deterministic exact match look-ups in large tables

Method for estimating and reducing uncertainties in process measurements

Electronics (data communication):

Load balancing multicast connection scheduling in 3-stage TDM fabrics

Bipartite graphical connection scheduling in time and space switch fabrics

Flexible, self-aligning time and space switch fabrics

F5-to-F4 OAM alarm notification and cell generation in multiple connection ATM switches

Jitter frequency shifting Δ-Σ modulated signal synchronization mapper

Jitter tolerance improvement by phase filtration in feed-foward data recovery systems

Adaptive phase shift filtration of pointer justification jitter in synchronous-plesiosynchronous signal desynchronization

Link aggregation in ethernet frame switches

Topology-independent priority arbitration for stackable frame switches

Phase modulated reduction of clock wander in synchronous wide area networks

High speed process-controlled transresistance amplifier

Electronics (memory cells):

Write-assisted SRAM bit cell

Variable read/write margin high-performance soft-error tolerant SRAM bit cell

Electronics (power systems):

Transformer winding movement detection by high frequency internal response analysis

Separable loadbreak connector flashover inhibiting cuff venting tool

Electronics (general circuits; test & measurement):

High speed I-O loopback testing with low speed DC test capability

Extended frequency range voltage-controlled oscillator

High-speed, adaptive IDDQ measurement

Method and apparatus for improving stuck-at fault detection in large scale integrated circuit testing

Electronics (voice coding):

Location and coding of unvoiced plosives in linear predictive coding of speech

Mechanical-Gadget:

Screwdriver bit cartridge retainer

Laminated disc envelope with postcard appearance

Battery-powered screwdriver with integral bit holder

Mechanical-light:

Disposable/reusable core adapters

Brush saw cutting head with integral herbicide applicator

Theatrical lighting system with moving lights

Vehicle parking brake lockout device

Full-frame anchoring system for vehicle collision repair

Magnetically fastenable magnetic wedge separator

Card reader with card capture clamp

Railcar load tie-down belt winding and storage apparatus

Valve stem with slidable, rotatable air-tight coupling for removably attachable devices

Dual winch railcar load belt tie-down method and apparatus

Sprocket with replaceable wear-absorbing inserts

Medical devices:

Orthodontic protraction appliance with head-chest bracing

Optics:

Optically coupled toroidal lens:hemi-bead brightness enhancer for total internal reflection modulated image displays

Wide viewing angle reflective display

Solid state continuous sealed clean room light fixture

Self-stabilized electrophoretically frustrated total internal reflection display

Color-corrected hollow prismatic light guide luminaire

Optical switching by controllable frustration of total internal reflection

Composite electrophoretically-switchable retro-reflective image display

Total internal reflection prismatically interleaved reflective film display screen

Color filtering and absorbing total internal reflection image display

Design patents:

Magnetic Elbow Patch

Paint Can Scraping Tool