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Inventor

Michael D. Hoffman

Inventor
Hanover, PA, US

Overview

4→
Patents
1997–2020
Patent span
LOC
Primary field

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

LOC26primary
LOC2650%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons25%
H04NPictorial communication, e.g. television25%
PatentTitleYear
10,856,025Systems and methods for managing user subscriptions to content sources20206,076,525'Frame for prone surgical positioning'2000D0388899'Post lamp'1998D0387464'Lantern'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1998Patents assigned to HOFFMAN PRODUCTS INC (2)· patent assignee history
1997–1998Based in Hanover, PA, US· patent location history
2000Based in McCook Lake, SD, US· patent location history
2020Patents assigned to ROVI GUIDES INC (1)· patent assignee history
2020Based in Durham, NC, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOFFMAN PRODUCTS INC21997–1998
ROVI GUIDES INC12020
Locations
LocationPatentsSpan
Hanover, Pennsylvania, US21997–1998
Durham, NC, US12020
McCook Lake, SD, US12000