Shirl F. Hall — 3 Patents | Patent Leaderboard

Shirl F. Hall has been granted 3 US patents. The first was granted in 1987 and the most recent in May 1992. Shirl F. Hall ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Shirl F. Hall in Ashtabula, OH, US.

Patents per Year

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5112266	Noise making device	—	1992-05-12
D317953	Noise maker	—	1991-07-02
4698033	Recreational watercraft	—	1987-10-06