Education & Qualifications
University of British Columbia, LL.B., 1977University of British Columbia, B.A.Sc. (Electrical Engineering), 1972
Professional Engineer (BC)
Reg. Patent Agent (CA & US)
Reg. Trademark Agent (CA & US)
Blake R. Wiggs
Tel: 604.669.3432 Ext. 8936 | Fax: 604.681.4081
E-mail: bwiggs@patentable.com

Assistant: Cheryle Roberton Tel: 604.669.3432 Ext. 8947
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
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
Electronics (memory cells):
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
Electronics (voice coding):
Location and coding of unvoiced plosives in linear predictive coding of speech
Mechanical-Gadget:
Screwdriver bit cartridge retainer
Mechanical-other:
Baffle for sealed combustion chamber
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
Medical devices:
Optics:
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
