P

Inventor

SPIGARELLI DONALD J

26 patents
⚠️ This page may combine multiple inventors who share the name “SPIGARELLI DONALD J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SIERRA RESEARCH AND TECHNOLOGY

9 patents

HTC CORP

6 patents

SRTECHNOLOGIES INC

4 patents

SPIGARELLI DONALD J

2 patents

HYBRID TECHNOLOGY CORP

2 patents

(unassigned)

1 patent

USM CORP

1 patent

SIERRA RESEARCH AND TECH INC

1 patent